This is the 896th most frequent Japanese word.
学び
"Learning" or "study."
The word '学び' is used here in its general sense, referring to the process of learning as an ongoing life activity.
学びは一生続くものです。
Learning is something that continues throughout one's life.
Here, '学び' describes the act of gaining knowledge or skills from the specific experience of studying abroad.
留学を通じて新しい学びが多かった。
I acquired many new learnings through studying abroad.
In this sentence, '学び' refers to the knowledge or skills gained through university education.